SN/T 2207-2008 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 2207-2008	319	Add to Cart	3 days	Determination of arsenic, calcium, lead content in food additive DL-tartaric acid for import and export. ICP-AES method	Obsolete

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Basic data

Standard ID: SN/T 2207-2008 (SN/T2207-2008)
Description (Translated English): Determination of arsenic, calcium, lead content in food additive DL-tartaric acid for import and export. ICP-AES method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: X04
Classification of International Standard: 67.220.20
Word Count Estimation: 8,826
Date of Issue: 2008-11-18
Date of Implementation: 2009-06-01
Quoted Standard: GB/T 602; GB/T 6682; GB 15358
Regulation (derived from): National Quality Inspection [2008] No. 577
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the DL-tartaric acid food additive arsenic, cadmium, lead content by inductively coupled plasma atomic emission spectrometry method. This standard applies to food additives DL-tartaric acid in arsenic, cadmium, lead content.

SN/T 2207-2008: Determination of arsenic, calcium, lead content in food additive DL-tartaric acid for import and export. ICP-AES method

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Determination of arsenic, calcium, lead content in food additive DL-tartaric acid for import and export.ICP-AES method Exit inspection and quarantine industry standard book People's Republic of China Import and export of food additives DL- tartrate Determination of arsenic, cadmium, lead content Inductively coupled plasma atomic emission spectrometry Posted 2008-11-18 2009-06-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

The Standard Appendix A, Appendix B is an informative annex. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Zhejiang Exit Inspection and Quarantine. The main drafters of this standard. Dai Qi, Zhu Yu, Jiang Yongxiang, Zhang Xiao radon, Wu Yanyan, Zhu Qingqing, Yuan Jing. This standard is the first release of the entry-exit inspection and quarantine industry standards. Import and export of food additives DL- tartrate Determination of arsenic, cadmium, lead content Inductively coupled plasma atomic emission spectrometry

1 Scope

This standard specifies the food additive DL- tartaric acid of arsenic, cadmium, lead content by inductively coupled plasma atomic emission spectrometry method. This standard applies to the determination of arsenic in food additives DL- tartaric acid, calcium, lead content in.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 602 Determination of impurities in chemical reagents prepared standard solution (GB/T 602-2002, ISO 6353-1. 1982, NEQ) with GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD)

3 Method summary

After the sample digestion, measured spectral intensity in the corresponding element ICP-AES wavelength, using the standard curve quantification.

4 Reagents and materials

Unless otherwise specified, the reagents were pure class distinctions, test water should meet the two water GB/T 6682 stipulated. 4.1 nitrate. 4.2 nitric acid solution (1 + 9). the amount of 10mL of nitric acid (4.1) diluted with water to 100mL. 4.3 single element standard stock solution. each element standard solution according to GB/T 602 method of preparation, or directly using a standard substance, its concentration Are 1000μg/mL. 4.4 mixed standard solution. Pipette 1.0mL respectively lead, arsenic, calcium single-element standard stock solution (4.3) into 1000mL volumetric flask Diluted nitric acid solution (4.2) and dilute to the mark, mix shift to clean polyethylene bottle containing the solution were 1μg/mL of lead, arsenic, calcium, stored in a refrigerator 0 ℃ ~ 4 ℃ in the period of one month. 4.5 Argon. not less than 99.99% purity. 5. Apparatus 5.1 Inductively coupled plasma atomic emission spectrometer. 5.2 Analysis of balance. a sense of the amount of 0.001g. 5.3 microwave digestion system.

6 Sample Preparation and Storage

Samples were prepared according to the provisions of GB 15358. The specimen into a clean container, sealed and marked with tags. Specimens shall be at room temperature save. NOTE. In the sample preparation procedure, it should prevent sample contamination. ......

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